2020 Mercedes-Benz C Class 2.0 C300d AMG Line Edition Premium

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line Edition Premium
• Version: 2.0 C300d AMG Line Edition Premium G-Tronic+ RWD Euro 6 (s/s) 4dr (242 bhp)
• Year: 2020
• Mileage: 18,578 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,578 miles on the clock, this 2020 Mercedes-Benz C Class AMG Line Edition Premium has done roughly 29,400 fewer miles than a typical 2020 Mercedes-Benz C Class. The AskCar estimate for this car is £21,628. It is priced at £20,341, which is £1,287 below that estimate. The AskCar estimate uses UK dealer asking prices, including 4,622 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 51 days ago. Its asking price has since fallen by £658. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz Of Hamilton, based in Hamilton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,287 (5%) under the AskCar estimate of £21,628.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 4,622 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £17,700: the median of the 130 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 17 September 2026 at £20,999. Its asking price is now £20,341, £658 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 17 September 2026: £20,999
• 28 September 2026: £20,791
• 9 October 2026: £20,660
• 20 October 2026: £20,499
• 30 October 2026: £20,341

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 14 January 2027.

It has had 5 MOTs. The latest, on 14 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 16,640 miles, which matches the advertised 18,578 miles.

Advertised mileage is about 29,400 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

14 other 2020 Mercedes-Benz C Class AMG Line Edition Premium 2.0 diesel automatic saloons are for sale at UK dealers, from £13,262 to £20,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Line Edition Premium, 2.0 diesel saloon, red. Mileage: 17,537 miles. Price: £19,994, £347 less than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-fa86aed6349b
• 2020 Mercedes-Benz C Class AMG Line Edition Premium, 2.0 diesel saloon, black. Mileage: 17,000 miles. Price: £20,990, £649 more than this car. Dealer: Snippersgate in Houghton-le-Spring. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-da4aad57bf69
• 2020 Mercedes-Benz C Class AMG Line Edition Premium, 2.0 diesel saloon, blue. Mileage: 34,149 miles. Price: £20,400, £59 more than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-274af62e114f

• The nearest: 2020 Mercedes-Benz C Class AMG Line Edition Premium, 2.0 diesel saloon, grey, 72 miles from this car. Mileage: 42,000 miles. Price: £20,950, £609 more than this car. Dealer: Sytner Group Mercedes-Benz of Carlisle in Carlisle. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-bb7ff7637a12